For one cycle, yes
Every dose you calculate from that point forward is wrong by roughly 20%
Another important tip is to label the vial clearly
The most commonly reported events in active arms were mild and transient: injection site reactions in some subcutaneous subjects, occasional headache, and in some oral dosing arms, minor gastrointestinal tolerance issues
The Vitamin D Council a scientist-led group promoting vitamin D deficiency awareness suggests vitamin D treatment might be found helpful in treating or preventing autism, autoimmune disease, cancer, chronic pain, depression, diabetes, heartdisease, high bloodpressure, flu, neuromuscular diseases, and osteoporosis